And while I do think this is true to a large extent
Greater Than (4): Everything in this space must be greater than 4. The answer is 6-1, placed vertically.
，这一点在PG官网中也有详细论述
Single file, ~5 KB gzipped, zero dependencies. No build step required.
A lot of us built our first production apps on Heroku, and the developer experience they created shaped how an entire generation thinks about deployment.